/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
<template>
  <div>
    <div>{{ computedCount }}</div>
    <button @click="inc">加</button>
    <button @click="dec">减</button>
    <button @click="reset">重置</button>
  </div>
</template>

<script>
  export default {
    props: {
      factor: { type: Number, default: 1 }
    },
    data () {
      return {
        count: 0
      }
    },
    methods: {
      inc () {
        this.count++
      },
      dec () {
        this.count--
      },
      reset () {
        this.count = 0
      }
    },
    computed: {
      computedCount: function () {
        return this.count * this.factor
      }
    }
  }
</script>
